diff --git a/.travis.yml b/.travis.yml
index 7ade9ddd..f9f02d2a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ sudo: false
 
 cache:
   directories:
-    - $HOME/.composer/cache
+    - $HOME/.composer/cache/files
 
 env:
   - SYMFONY_VERSION=2.7.* SYMFONY_DEPRECATIONS_HELPER=weak